56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "options.h"
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mazeoptions_t* mazemaker_options_new() {
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mazeoptions_t* result = malloc(sizeof(mazeoptions_t));
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// set defaults
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memset(result->wall_color, 0, 3);
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memset(result->background_color, 0xff, 3);
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return result;
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}
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void mazemaker_options_free(mazeoptions_t* options) {
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free(options);
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}
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static int stringToColor(char const* color_desc, rgb_color_t dst) {
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if (color_desc[0] != '#') return -1; // bad format
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size_t l;
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for (l = 1; color_desc[l] != '\0'; l++) if (!isxdigit(color_desc[l])) return -1; // bad format
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if ((l != 4) && (l != 7)) return -1; // bad format
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char x2[3] = { 0, 0, 0};
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if (l == 4) {
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x2[0] = x2[1] = color_desc[1];
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sscanf(x2, "%hhx", &dst[0]);
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x2[0] = x2[1] = color_desc[2];
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sscanf(x2, "%hhx", &dst[1]);
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x2[0] = x2[1] = color_desc[3];
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sscanf(x2, "%hhx", &dst[2]);
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} else {
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strncpy(x2, color_desc + 1, 2);
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sscanf(x2, "%hhx", &dst[0]);
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strncpy(x2, color_desc + 3, 2);
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sscanf(x2, "%hhx", &dst[1]);
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strncpy(x2, color_desc + 5, 2);
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sscanf(x2, "%hhx", &dst[2]);
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}
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return 0;
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}
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int mazemaker_options_set_wall_color(mazeoptions_t* options, char const* color_desc) {
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return stringToColor(color_desc, options->wall_color);
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}
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int mazemaker_options_set_background_color(mazeoptions_t* options, char const* color_desc) {
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return stringToColor(color_desc, options->background_color);
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}
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